package j32;

import java.util.concurrent.CountDownLatch;

/**
 * @author chengshuai
 * @date 2021/4/13 22:04
 */
public class CountDownLatchDemo {

    public static void main(String[] args) throws InterruptedException {
        CountDownLatch countDownLatch = new CountDownLatch(6);
        for (int i = 0; i < 6; i++) {
            new Thread(()->{
                System.out.println(Thread.currentThread().getName());
                countDownLatch.countDown();
            },String.valueOf(i)).start();
        }
        countDownLatch.await();
        System.out.println("执行结束");
    }
}
